EP4607682A4 - Self-supporting separator for electrochemical device and electrochemical device so that - Google Patents
Self-supporting separator for electrochemical device and electrochemical device so thatInfo
- Publication number
- EP4607682A4 EP4607682A4 EP24800225.5A EP24800225A EP4607682A4 EP 4607682 A4 EP4607682 A4 EP 4607682A4 EP 24800225 A EP24800225 A EP 24800225A EP 4607682 A4 EP4607682 A4 EP 4607682A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrochemical device
- self
- supporting separator
- separator
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/42—Acrylic resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/426—Fluorocarbon polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/443—Particulate material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20230058001 | 2023-05-03 | ||
| KR1020240057294A KR20240161030A (en) | 2023-05-03 | 2024-04-30 | A selfsupporting separator for an electrochemical device and an electrochemical device comprising the same |
| PCT/KR2024/005914 WO2024228544A1 (en) | 2023-05-03 | 2024-05-02 | Self-supporting separator for electrochemical device, and electrochemical device comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4607682A1 EP4607682A1 (en) | 2025-08-27 |
| EP4607682A4 true EP4607682A4 (en) | 2026-02-25 |
Family
ID=93333088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24800225.5A Pending EP4607682A4 (en) | 2023-05-03 | 2024-05-02 | Self-supporting separator for electrochemical device and electrochemical device so that |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4607682A4 (en) |
| JP (1) | JP2025536040A (en) |
| CN (1) | CN120113094A (en) |
| WO (1) | WO2024228544A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025504515A (en) * | 2022-07-07 | 2025-02-12 | エルジー エナジー ソリューション リミテッド | Separator for electrochemical device and method for producing said separator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180323439A1 (en) * | 2015-10-26 | 2018-11-08 | Hitachi, Ltd. | Lithium Ion Secondary Battery and Method for Producing Lithium Ion Secondary Battery |
| KR20210033327A (en) * | 2019-09-18 | 2021-03-26 | 주식회사 엘지화학 | Electrode assembly comprising free-standing separator for secondary batteries and Secondary batteries comprising the same |
| US20220384910A1 (en) * | 2019-10-18 | 2022-12-01 | Lg Energy Solution, Ltd. | Separation Membrane for Electrochemical Device, Electrochemical Device Comprising Same Separation Membrane, and Method for Manufacturing Same Separation Membrane |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5994354B2 (en) * | 2011-09-05 | 2016-09-21 | ソニー株式会社 | Separator and nonaqueous electrolyte battery, battery pack, electronic device, electric vehicle, power storage device, and power system |
| JP2016023308A (en) * | 2014-07-22 | 2016-02-08 | 有限会社ケー・イー・イー | Heat-resistant polyolefin microporous membrane and method for producing the same. |
| KR102717424B1 (en) * | 2019-05-30 | 2024-10-14 | 주식회사 엘지에너지솔루션 | Single layer free standing separator for secondary batteries and Method of making the separator using island-in-sea fibers |
| KR102814789B1 (en) * | 2019-08-09 | 2025-05-28 | 주식회사 엘지에너지솔루션 | Porous separating film and electrochemical device containing the same |
| US12531311B2 (en) * | 2019-10-18 | 2026-01-20 | Lg Energy Solutions, Ltd. | Separator for electrochemical device, electrochemical device comprising separator and method for preparing separator |
| CN116711099A (en) | 2021-10-19 | 2023-09-05 | 宁德时代新能源科技股份有限公司 | Negative electrode sheet, secondary battery, battery module, battery pack and electrical device |
| KR20240057294A (en) | 2022-10-24 | 2024-05-02 | 주식회사 부뜰정보시스템 | Artificial Intelligence call center system for quarantined people using hybrid analysis engine |
-
2024
- 2024-05-02 JP JP2025526618A patent/JP2025536040A/en active Pending
- 2024-05-02 EP EP24800225.5A patent/EP4607682A4/en active Pending
- 2024-05-02 WO PCT/KR2024/005914 patent/WO2024228544A1/en not_active Ceased
- 2024-05-02 CN CN202480004756.5A patent/CN120113094A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180323439A1 (en) * | 2015-10-26 | 2018-11-08 | Hitachi, Ltd. | Lithium Ion Secondary Battery and Method for Producing Lithium Ion Secondary Battery |
| KR20210033327A (en) * | 2019-09-18 | 2021-03-26 | 주식회사 엘지화학 | Electrode assembly comprising free-standing separator for secondary batteries and Secondary batteries comprising the same |
| US20220384910A1 (en) * | 2019-10-18 | 2022-12-01 | Lg Energy Solution, Ltd. | Separation Membrane for Electrochemical Device, Electrochemical Device Comprising Same Separation Membrane, and Method for Manufacturing Same Separation Membrane |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2024228544A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024228544A1 (en) | 2024-11-07 |
| JP2025536040A (en) | 2025-10-30 |
| EP4607682A1 (en) | 2025-08-27 |
| CN120113094A (en) | 2025-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4138200A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4203168A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4404368A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4407775A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE WITH WHICH | |
| EP4343949A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4525183A4 (en) | SEPARATOR FOR SECONDARY BATTERY AND SECONDARY BATTERY SO THAT | |
| EP4456202A4 (en) | ELECTRODE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4478518A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4471966A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4277006A4 (en) | SEPARATOR AND ELECTROCHEMICAL DEVICE SO THAT | |
| EP4539191A4 (en) | ELECTROLYTE AND ELECTROCHEMICAL DEVICE | |
| EP3641014A4 (en) | SECONDARY BATTERY SEPARATOR AND ELECTROCHEMICAL DEVICE PROVIDED WITH IT | |
| EP4471906A4 (en) | ELECTRODE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4607682A4 (en) | Self-supporting separator for electrochemical device and electrochemical device so that | |
| EP4277005A4 (en) | SEPARATOR AND ELECTROCHEMICAL DEVICE THEREFOR | |
| EP4439843A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE, MANUFACTURING METHOD THEREFOR AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4510355A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4517995A4 (en) | SEPARATOR AND DEVICE THEREFOR | |
| EP4443550A4 (en) | COMPOSITE PARTICLES AND MANUFACTURING METHOD FOR THEM, ELECTRODE FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE | |
| EP4310958A4 (en) | BINDER AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4293742A4 (en) | ELECTRODE FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4539237A4 (en) | Self-supporting ceramic separator for electrochemical device and electrochemical device so that | |
| EP4277009A4 (en) | Electrode lead for electrochemical device and electrochemical device therewith | |
| EP4503302A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF | |
| EP4496103A4 (en) | SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE THEREOF |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20250520 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20260127 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01M 50/446 20210101AFI20260121BHEP Ipc: H01M 50/431 20210101ALI20260121BHEP Ipc: H01M 50/489 20210101ALI20260121BHEP Ipc: H01M 50/42 20210101ALI20260121BHEP Ipc: H01M 50/426 20210101ALI20260121BHEP Ipc: H01M 4/38 20060101ALI20260121BHEP Ipc: H01M 10/052 20100101ALI20260121BHEP Ipc: H01M 10/30 20060101ALI20260121BHEP Ipc: H01M 4/134 20100101ALI20260121BHEP Ipc: H01M 10/0525 20100101ALI20260121BHEP Ipc: H01M 50/434 20210101ALI20260121BHEP Ipc: H01M 50/443 20210101ALI20260121BHEP |